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Marathons in Gwynedd in July 2025

Find marathons near me in Gwynedd in July 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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  • Sun 13 Jul 2025
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Trail Marathon Eryri

  • 27.3 miles trail running + 1685 m ascent

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